نتایج جستجو برای: short circuit capacity
تعداد نتایج: 803502 فیلتر نتایج به سال:
Line-commutated converter-voltage source converter (LCC-VSC) power transmission technology does not have the problem of communication failure very usually. It therefore can support long-distance, long-capacity electric energy. However, factors such as topology, control strategy, and short-circuit capacities make traditional protection principles fully applicable to LCC-VSC hybrid systems. To en...
This paper proposes an original simplified model aimed to simulate, an easy way, inter turns short circuit fault, phase to phase fault and phase to ground fault. In this model, the stator is considered as six magnetically coupled windings and the rotor as three not magnetically coupled R–L circuits. The paper also presents the starand delta-connected stator configurations of the simplified mode...
To cite this Article Fontaine, Johnny , Luyten, Patrick and Corveleyn, Jozef(2000) 'Tell Me What You Believe and I'll Tell You What You Want: Empirical Evidence for Discriminating Value Patterns of Five Types of Religiosity', International Journal for the Psychology of Religion, 10: 2, 65 — 84 To link to this Article: DOI: 10.1207/S15327582IJPR1002_01 URL: http://dx.doi.org/10.1207/S15327582IJP...
It is widely assumed that causation is transitive, but putative counterexamples abound. These examples come in three varieties: switching cases, short circuit cases, and what I will call mismatch cases. In this paper I focus on the mismatch variety, which is widely taken to be the easiest to resolve. I will first introduce the cases and the existing strategy for dealing with them, then present ...
Nodes Expanded (100K) CPU Time (s) Algorithm Weight Solved Sub-optimality Mean Median Mean Median Switch 100 1.13 0.29 0.20 0.10 0.06 Short Circuit 100 1 1.39 0.91 0.89 0.55 Short Circuit WA* 1.1 100 1.01 1.69 1.28 1.10 0.81 ” ” 1.2 100 1.03 2.39 1.89 1.59 1.24 ” ” 2 100 1.24 6.34 6.77 4.46 5.00 ” ” 5 100 1.44 6.03 8.06 4.22 5.75 ” ” 10 100 1.53 5.51 6.34 3.84 4.52 Short Circuit Greedy 100 5.17...
This paper describes a new design for a fault tolerant Hbridge dc-dc converter. Open circuit and short circuit fault tolerance is achieved using multilevel converter topology in combination with pulse width modulation control strategy allowing a large set of converter switching states to produce bidirectional power flows at any required output voltage. If two switches fail at particular instant...
The relationship between the short circuit ratio (SCR) and static voltage stability is analyzed in this paper. According to eigenvalue decomposition method, a novel concept named generalized short circuit ratio (gSCR) has been proposed for multi-infeed LCC-HVDC (MIDC) systems to mathematically measure the connected AC strength from the point view of voltage stability, which can overcome the rul...
Solutions of certain boundary value problems are shown to eIst for the fn-l) nth order dI.ferantlal equation Y (n)__ f(t,y,y’,...,y ), where f is contIauois oa a slab (a,b) Rn and f atlsfles a Lipschltz cond[tkon on the slab. Optimal length subintervals of (a,b) are deter:nlned, [ tems of the Lipschitz coefficients, on which there e[st u[que solutions.
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